PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-02:28:00
G10     257.0          32.9               12.5 +/-    1.79      20.7 +/-    1.79  0.040 / 0.050
G13     47.4           24.6                7.3 +/-    1.16      14.3 +/-    1.16  0.040 / 0.040
G15     71.6           54.3               10.4 +/-    0.33      12.5 +/-    0.33  0.070 / 0.120
G16     290.6          14.5                8.0 +/-    1.59      20.2 +/-    1.59  0.070 / 0.140
G20     280.3          55.0               11.3 +/-    0.80      13.5 +/-    0.80  0.100 / 0.320
G21     344.3          65.0                7.6 +/-    1.03       8.3 +/-    1.03  0.100 / 0.300
G26     262.9          12.5                9.9 +/-    1.72      26.1 +/-    1.72  0.070 / 0.190
G29     164.4          40.2               12.7 +/-    1.38      18.4 +/-    1.38  0.060 / 0.180